Answer:
Sustitute the y-values into the equation.
For y=10,
2(10) + 3 (10 - 5)
20 + 3(5)
20+15
35
For y=57,
2(57) + 3 (57 - 5)
114 + 156
270
For y=35
2(35) + 3 (35 - 5)
70 + 3(30)
70 + 90
160
:)
LlL-=2-3=2=3-2=94308500496-405=4
She owns 20 skirts in total.
I think the answer shod be B